Food and Agriculture Organization of the United Nations. Land and Water Development Division. (1974). Soil survey in irrigation investigations. FAO.
Chicago-viite (17. p.)Food and Agriculture Organization of the United Nations. Land and Water Development Division. Soil Survey in Irrigation Investigations. Rome: FAO, 1974.
MLA-viite (9. p.)Food and Agriculture Organization of the United Nations. Land and Water Development Division. Soil Survey in Irrigation Investigations. FAO, 1974.
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